Safety-door Switch D4NS. Model Number Structure. Model Number Legend

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1 Safety-door Switch D4NS Multi-contact, Labor-saving, Environmentfriendly, Next-generation Safety-door Switch Lineup includes MBB models and three contact models with 2NC/1NC and 3NC contact forms in addition to the previous contact forms 1NC/1NO, and 2NC. M-connector models are available, saving on labor and simplifying replacement. Standardized gold-clad contacts provide high contact reliability. Applicable to both standard loads and micro-loads. Free of lead, cadmium, and hexavalent chrome, reducing the burden on the environment. Note: Be sure to read the Safety Precautions on page 9 and the Precautions for All Safety Door Switches in the Safety Components Series Catalog (Y106). Model Number Structure Model Number Legend Switch D4NS-@@@ Conduit/Connector size 1: Pg13.5 (1-conduit) 2: G1/2 (1-conduit) 3: 1/2-14NPT (1-conduit) 4: (1-conduit) 5: Pg13.5 (2-conduit) 6: G1/2 (2-conduit) 7: 1/2-14NPT compatible (2-conduit model with conduit size includes an -to-1/2-14npt conversion adapter) 8: (2-conduit) 9: M connector (1-conduit) 2. Built-in Switch A: 1NC/1NO (slow-action) B: 2NC (slow-action) C: 2NC/1NO (slow-action) D: 3NC (slow-action) E: 1NC/1NO (MBB contact) F: 2NC/1NO (MBB contact) 3. Head Mounting Direction F: Four mounting directions possible (Front-side mounting at shipping) Note: An order for the head part or the switch part alone cannot be accepted. The Key is sold separately. Key D4DS-K@ 1 1. Key Type 1: Horizontal mounting 2: Vertical mounting 3: Adjustable mounting (Horizontal) 5: Adjustable mounting (Horizontal/ Vertical) Safety-door Switch D4NS 1

2 Ordering Information List of Models Switches ( Keys are sold separately.) : Models with approved direct opening contacts. Type Contact configuration Conduit opening/connector Model 1-Conduit Slow-action 1NC/1NO Pg13.5 D4NS-1AF G1/2 D4NS-2AF 1/2-14NPT D4NS-3AF D4NS-4AF 2NC Pg13.5 D4NS-1BF G1/2 D4NS-2BF 1/2-14NPT D4NS-3BF D4NS-4BF 2NC/1NO Pg13.5 D4NS-1CF G1/2 D4NS-2CF 1/2-14NPT D4NS-3CF D4NS-4CF 3NC Pg13.5 D4NS-1DF G1/2 D4NS-2DF 1/2-14NPT D4NS-3DF D4NS-4DF Slow-action MBB contact 1NC/1NO Pg13.5 D4NS-1EF G1/2 D4NS-2EF 1/2-14NPT D4NS-3EF D4NS-4EF 2NC/1NO Pg13.5 D4NS-1FF G1/2 D4NS-2FF 1/2-14NPT D4NS-3FF D4NS-4FF 2-Conduit Slow-action 1NC/1NO Pg13.5 D4NS-5AF G1/2 D4NS-6AF, includes -to-1/2-14npt conversion adapter D4NS-7AF D4NS-8AF 2NC Pg13.5 D4NS-5BF G1/2 D4NS-6BF, includes -to-1/2-14npt conversion adapter D4NS-7BF D4NS-8BF 2NC/1NO Pg13.5 D4NS-5CF G1/2 D4NS-6CF, includes -to-1/2-14npt conversion adapter D4NS-7CF D4NS-8CF 3NC Pg13.5 D4NS-5DF G1/2 D4NS-6DF, includes -to-1/2-14npt conversion adapter D4NS-7DF D4NS-8DF Slow-action MBB contact 1NC/1NO Pg13.5 D4NS-5EF G1/2 D4NS-6EF, includes -to-1/2-14npt conversion adapter D4NS-7EF D4NS-8EF 2NC/1NO Pg13.5 D4NS-5FF G1/2 D4NS-6FF, includes -to-1/2-14npt conversion adapter D4NS-7FF D4NS-8FF 1-Conduit, with Slow-action 1NC/1NO M connector D4NS-9AF connector 2NC D4NS-9BF Slow-action MBB contact 1NC/1NO D4NS-9EF Note: 1. The recommended models for equipment and machinery being exported to Europe are those with an or Pg13.5 conduit sizes, and for North America, the recommended models are those with a 1/2-14NPT conduit sizes. 2. Resin is used as the material for the D4NS housing and head. Use the metal D4BS Safety-door Switch for applications requiring greater mechanical strength. 2 Safety-door Switch D4NS

3 Keys Horizontal mounting Type Model D4DS-K1 Vertical mounting D4DS-K2 Adjustable mounting (Horizontal) D4DS-K3 Adjustable mounting (Horizontal/Vertical) D4DS-K5 Specifications Standards and EC Directives Conforms to the following EC Directives: Machinery Directive Low Voltage Directive EN50047 EN1088 GS-ET-15 Approved Standards Agency Standard File No. TÜV Product Service EN (approved direct opening) (See note 1.) UL (See note.) UL508, CSA C.2 No.14 E76675 CQC (CCC) GB Note: 1. Consult your OMRON representative for details. 2. Approval for CSA C.2 No. 14 is authorized by the UL mark. 3. Ask your OMRON representative for information on approved models. Approved Standard Ratings TÜV (EN ), CCC (GB ) Item Utilization category AC-15 DC-13 Rated operating current (I e ) 3 A 0.27 A Rated operating voltage (U e ) 240 V 250 V Note: Use a 10-A fuse type gi or gg that conforms to IEC60269 as a short-circuit protection device. This fuse is not built into the Switch. UL/CSA (UL508, CSA C.2 No. 14) A0 Rated Carry current Current Volt-amperes voltage Make Break Make Break 0 VAC 10 A 60 A 6 A 7,200 VA 720 VA 240 VAC A 3 A Q0 Rated Carry current Current Volt-amperes voltage Make Break Make Break 5 VDC 2.5 A 0.55 A 0.55 A 69 VA 69 VA 250 VDC 0.27 A 0.27 A Safety-door Switch D4NS 3

4 Characteristics Degree of protection (See note 3.) IP67 (EN ) (This applies for the Switch only. The degree of protection for the key hole is IP00.) Durability Mechanical 1,000,000 operations min. (See note 4.) Electrical 500,000 operations min. for a resistive load of 3 A at 250 VAC (See note 5.) 0,000 operations min. for a resistive load of 10 A at 250 VAC Operating speed 0.05 to 0.5 m/s Operating frequency operations/minute max. Direct opening force (See note 6.) 60 N min. Direct opening travel (See note 6.) 10 mm min. Contact resistance 25 mω max. (initial value) Minimum applicable load (See note 7.) Resistive load of 1 ma at 5 VDC (N-level reference value) Rated insulation voltage (U i ) 0 V Protection against electric shock Class II (double insulation) Pollution degree (operating environment) 3 (EN ) Impulse withstand voltage (EN ) Between terminals of the same polarity 2.5 kv Between terminals of different polarities 4 kv Between other terminals and uncharged metallic parts 6 kv Insulation resistance 100 MΩ min. Contact gap 2 x 2 mm min Vibration resistance Malfunction 10 to 55 Hz, 0.75-mm single amplitude Shock resistance Destruction 1,000 m/s 2 min. Malfunction 0 m/s 2 min. Conditional short-circuit current 100 A (EN ) Rated open thermal current (I th ) 10 A (EN ) Ambient temperature Operating: C to 70 C with no icing Ambient humidity Operating: 95% max. Weight Approx. 96 g (D4NS-1CF) Note: 1. The above values are initial values. 2. The Switch contacts can be used with either standard loads or micro-loads. Once the contacts have been used to switch a load, however, they cannot be used to switch smaller loads. The contact surfaces will become rough once they have been used and contact reliability for smaller loads may be reduced. 3. The degree of protection is tested using the method specified by the standard (EN ). Confirm that sealing properties are sufficient for the operating conditions and environment beforehand. Although the switch box is protected from dust or water penetration, do not use the D4NS in places where foreign material may enter through the key hole on the head, otherwise Switch damage or malfunctioning may occur. 4. The durability is for an ambient temperature of 5 C to 35 C and an ambient humidity of 40% to 70%. For more details, consult your OMRON representative. 5. If the ambient temperature is greater than 35 C, do not pass the 3-A, 250-VAC load through more than 2 circuits. 6. These figures are minimum requirements for safe operation. 7. This value will vary with the switching frequency, environment, and reliability level. Confirm that correct operation is possible with the actual load beforehand. 4 Safety-door Switch D4NS

5 Connections Contact Form (Diagrams Show State with Key Inserted) Model Contact Contact form Operating pattern Remarks 1NC/1NO - ON D4NS-@B@ D4NS-@C@ D4NS-@D@ D4NS-@E@ D4NS-@F@ 2NC 2NC/1NO 3NC 1NC/1NO MBB 2NC/1NO MBB Note: MBB (Make Before Break) contacts have an overlapping structure, so that before the normally closed contact (NC) opens, the normally open contact (NO) closes. Nomenclature Key insertion Key insertion Key insertion Key insertion Key insertion Key insertion Extraction Extraction Extraction Extraction Extraction Extraction ON ON ON ON ON Only NC contacts - have an approved direct opening mechanism. The terminals - and can be used as unlike poles. Only NC contacts - and have an approved direct opening mechanism. The terminals - and can be used as unlike poles. Only NC contacts - and - have an approved direct opening mechanism. The terminals -, -, and can be used as unlike poles. Only NC contacts -, -, and have an approved direct opening mechanism. The terminals -, -, and can be used as unlike poles. Only NC contacts - have an approved direct opening mechanism. The terminals - and can be used as unlike poles. Only NC contacts - and - have an approved direct opening mechanism. The terminals -, - and can be used as unlike poles. Structure D4NS-@A@, D4NS-@B@, D4NS-@E@ D4NS-@C@, D4NS-@D@, D4NS-@F@ key hole Head The head can be mounted in four directions. Sealing properties The switch casing ensures IP67 (except the keyhole, which ensures IP00). Use the D4NS in places where the keyhole is free from oil, water, and metal chips. Terminal Terminal Terminal Terminal Terminal Terminal Terminal 31 (33) Terminal 32 (34) Terminal 31 (33) Terminal 32 (34) Note: The 2-conduit models have the same terminal arrangement. Safety-door Switch D4NS 5

6 Dimensions/Operating Characteristics Note: All units are in millimeters unless otherwise indicated. Switches 1-Conduit Models 2-Conduit Models ±0.2.2 ± Head cap depth: 5 Operating characteristics Key insertion force Key extraction force Pretravel (PT) Total travel (TT) D4NS-1@F D4NS-2@F D4NS-3@F D4NS-4@F 15 N max. N max. 6±3 mm (28 mm) Direct opening force* 60 N min. Direct opening stroke * 10 mm min. * Always maintain the above operating characteristics for safe use. D4NS-5@F D4NS-6@F D4NS-7@F D4NS-8@F Head cap ±0.1 40± ± Operating characteristics Key insertion force Key extraction force Pretravel (PT) D4NS-5@F D4NS-6@F D4NS-7@F D4NS-8@F 15 N max. N max. 6±3 mm 47 39± dia Cap Total travel (TT) Direct opening force* Direct opening stroke * (28 mm) 60 N min. 10 mm min. 1-Conduit Connector Models D4NS-9@F 42± max. 3 Head cap 14.2 depth: 5 * Always maintain the above operating characteristics for safe use Operating characteristics D4NS-9@F ±0.2 (14) depth: 5 Key insertion force Key extraction force Pretravel (PT) Total travel (TT) 15 N max. N max. 6±3 mm (28 mm) Direct opening force* 60 N min. Direct opening stroke * 10 mm min. * Always maintain the above operating characteristics for safe use. ± M 1 Note: 1. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. 2. There are fluctuations in the contact ON/OFF timing for Switches with multiple poles (2NC, 2NC/1NO, or 3NC). Confirm performance before application Safety-door Switch D4NS

7 Keys Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. D4DS-K D4DS-K Four, 2.15R dia. 4.5 dia. 8 dia. D4DS-K Four, 2.15R D4DS-K (7) Mounting Holes Safety-door Switch D4NS 7

8 With Key Inserted (Relationship between Insertion Radius and Key Hole) Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. D4NS-1@F + D4DS-K1 44 to 46.5 Horizontal key R 200 D4NS-1@F + D4DS-K2 40 to 42.5 Horizontal key R to 46.5 (15) Vertical key R to 42.5 (15) Vertical key R 200 (33.5) (33.5) (27.5) D4NS-1@F + D4DS-K3 45 to 47.5 Horizontal key R 50 D4NS-1@F + D4DS-K to 5 45 to 47.5 (40±0.15) Vertical key R 200 Horizontal key R to 5 (43±0.1) (41±0.1) Vertical key R 50 (33.5) (33.5) D4NS-1@F + D4NS-SK01 Switch Mounting Pattern 1 Switch Mounting Pattern max Auxiliary mounting bracket (included with product) Assembled with D4NS Assembled with D4NS Two, M4 6 (included with product) Receptacle bracket (included with product) max. 40 () Safety-door Switch D4NS

9 Safety Precautions Refer to the Precautions for All Switches and Precautions for All Safety Door Switches in the Safety Components Series Catalog (Y106). Precautions for Safe Use Never disassemble or modify your D4NS in any way, or the D4NS will not operate normally. Do not use the Switch submersed in oil or water or in locations continuously subject to splashes of oil or water. Doing so may result in oil or water entering the Switch. (The IP67 degree of protection of the Switch specifies the amount of water penetration after the Switch is submerged in water for a certain period of time.) Although the switch body is protected from the ingress of dust or water, avoid the ingress of foreign substance through the key hole on the head. Otherwise, accelerated wear or breaking may result. Always be sure that the power supply is turned OFF while wiring the Switch. Always attach the cover after completing wiring and before using the Switch. Electric shock may occur if the Switch is used without the cover attached. Connect a fuse in series with the D4NS to protect it from shortcircuit damage. The value of the breaking current of the fuse must be calculated by multiplying the rated current by 150% to 200%. When using the D4NS for an EN rating, use a 10-A fuse of type gi or gg that complies with IEC When switching general loads (250 VAC/3 A), do not operate two circuits or more at the same time. Otherwise, insulation performance may be degraded. Stopper Installation Do not use a Switch as a stopper. Be sure to install a stopper as shown in the following illustration when mounting the Switch so that the base of the Key does not strike the Head. Correct Stopper Incorrect Mounting Method Tightening Torque Loose screws may result in malfunction. Tighten the screws to the specified torques. Terminal screw Cover clamping screw Head clamping screw Key clamping screw Body clamping screw Conduit mounting connection and M adaptor Cap screw 0.6 to 0.8 N m 0.5 to 0.7 N m 0.5 to 0.6 N m Mounting Holes Use M4 screws and washers to mount the Switch and Key, and tighten the screws to the proper tightening torque. For safety, use screws that cannot be easily removed or a similar means to prevent the Switch and Key from being easily removed. As shown below, two studs with a maximum height of 4.8 mm and a diameter of / 0.15 mm can be provided, the studs inserted into the holes on the bottom of the Switch, and the Switch secured at four locations to increase the mounting strength. Switch Mounting Holes and Studs 1-Conduit Modules 2.5±0.1 Two, M4 2.4 to 2.8 N m 0.5 to 0.7 N m 1.8 to 2.2 N m (except 1/2-14NPT) 1.4 to 1.8 N m (1/2-14NPT) 1.3 to 1.7 N m Key Mounting Holes Horizontal/Vertical Mounting (D4DS-K1/-K2) Two, M4 key 15±0.1 Switch Precautions for Correct Use The Switch contacts can be used with either standard loads or microloads. Once the contacts have been used to switch a load, however, they cannot be used to switch smaller loads. The contact surfaces will become rough once they have been used and contact reliability for smaller loads may be reduced. 47±0.1 2-Conduit Modules 5.35± ±0.1 Two, M dia. Height: 4.8 max. Horizontal Adjustable Mounting (D4DS-K3) 40±0.1 Two, M4 Horizontal/Vertical Adjustable Mounting (D4DS-K5) 41±0.1 or, 43±0.1 Two, M4 39±0.1 40±0.1 42±0.1 42± dia. Height: 4.8 max. Use the designated OMRON Key with the Switch. Using another Key may result in Switch damage. Set the Key so that it is within 1 mm of the center of the key hole. If the Key is offset or at an angle, accelerated wear or breaking may result. Observe the specified for insert it in a direction perpendicular to the key hole. Safety-door Switch D4NS 9

10 Head Direction The rotation of the Switch head may be adjusted to any of the four directions by loosening the head clamping screws at the four corners of the head. Make sure that no foreign materials enter through the head. When changing the direction of the head, do so while the Key is inserted. Securing the Door When the door is closed (with the Key inserted), it may be pulled beyond the set zone because of, for example, the door s weight, or the door cushion rubber. Also, if a load is applied to the Key, the door may fail to unlock properly. Use hooks to ensure that the door stays within the set zone. Wiring Set zone (0.5 to 3 mm) When connecting with insulation tubes and M3.5 crimp terminals, connect the terminals as shown in the following figure and wire without overriding to the case and the cover. Adequate conductor size is AWG 20 to AWG18 (0.5 to 0.75 mm 2 ). Prepare lead wires using the lengths given in the following diagrams. If lead wires are too long, they will press against the cover causing the cover to not close properly. 1-Conduit Models with 3 Poles A C E Conduit Models with 3 Poles A C E Do not push the crimp terminal and the likes into the opening between the parts to prevent the case from being broken and deformed. Use terminals having the thickness of 0.5 mm or less to avoid the contact between the terminal and the Switch case inside. The terminals listed below have thickness of 0.5 mm or less. Manufacture Type Applicable lead wire size J.S.T. Mfg Co. FV (F type) V (straight type) AWG20 (0.5 mm 2 ) J.S.T is a Japanese manufacturer. t: 0.5 mm dz dia.: 3.7 mm D dia.: 2.9 mm B: 6.6 mm L: 19 mm D F: 7.7 mm I: 8.0 mm l B D F B D 42 mm F L F E A C E C A dz B D F BDF Key Left hand 42 mm 33 mm 28 mm Tolerance ±2 mm 28 mm Right hand 28 mm Tolerance ±2 mm B E C A Crimp terminal BDF Correct 42 mm Terminal screw Tolerance ±2 mm Incorrect Contact Arrangement The following show a safety contact and an auxiliary contact for 3 contacts and 2 contacts types. (Screw terminal type) D4NS-@DF (3NC) D4NS-@BF (2NC) (Connector type) Suitable socket is Type XS2F (OMRON). D4NS-@CF (2NC/1NO) D4NS-@FF (2NC/1NO (MBB)) Refer to the Connector Catalog for corresponding Socket pin numbers and lead wire colors. Socket Tightening (Models with Connectors) Turn the tightening screws on the Socket by hand and tighten them until the gap between the Socket and Plug essentially disappears. Make sure, however, that the Socket s connector is tightened securely, otherwise the rated degree of protection (IP67) of the D4NS may not be maintained. Furthermore, the Socket connector may be loosened by vibration. Conduit Opening When using 1/2-14NPT conduits, apply sealing tape between the connector and conduit opening to maintain the degree of protection (IP67) of the Switch. Use cables with suitable diameters for the connector being used. When wiring, place the enclosed cap screw on unused conduit openings (for 2-Conduit Switches) and tighten them to the suitable tightening torque. Recommended Connectors D4NS-@AF (1NC/1NO) D4NS-@FF (1NC/1NO (MBB)) Use the connector with thread section of 9 mm long or less. In the case of the connector with longer thread section, protruded part may interfere with the other parts inside the body. Use below listed connector to secure IP67. Size Manufacture Type Adequate cable diameter G1/2 LAPP ST-PF1/2 6.0 to.0 mm Pg13.5 LAPP S to.0 mm LAPP ST to 13.0 mm /2-14NPT LAPP ST-NPT1/ to.0 mm When use LAPP's products, use together with a Seal Packing which is sold separately (Type names, JPK-16, GP-13.5, GP. GPM is for M connector) and tighten with proper tightening torque. LAPP is a German manufacturer. Before using the 2 conduit type 1/2-14NPT connector, attach the appended changing adapter to the Switch, and wind the seal tape about the joint of the adapter and Switch. When use M conduit type, connect the above listed connector, after tightened the M changing adaptor to the Switch D4NS-9BF (2NC) 1 () 3 (31) 2 () 4 (32) D4NS-9AF (1NC/1NO) D4NS-9EF (1NC/1NO (MBB)) 1 () 3 (33) Pin No. (Terminal No.) 2 () 4 (34) 10 Safety-door Switch D4NS

11 Production Discontinuation Following the release of the D4NS, production of the D4DS will be discontinued. Date of Production Discontinuation Production of the D4DS Series will be discontinued in March Date of Substitute Product Release Sale of the D4NS Series commenced in July Product Replacement Key D4DS-K1 D4DS-K2 D4DS-K3 D4DS-K5 All of the above Keys can be used with the D4NS. 1. Dimensions The D4DS and D4NS have basically the same structure, and use the same mounting method, Keys, mounting hole and Key insertion s. The multi-contact structure and the extra 4 mm in length, however, are different. 2. Terminal Numbers For the 2-contact model, the terminals,, 23, and 24 on the D4DS are 31, 32, 33, and 34 on the D4NS. 3. Recommended Terminals If the recommended terminals are not used, the Switch may not be compatible. Make sure that the Switch is compatible with the terminals. Comparison of the D4DS and Substitute Products Model Switch color Dimensions Wiring/connection Mounting method Ratings/performance Operating characteristics Operating method D4NS-@ Very similar Very similar Significantly different Completely compatible Very similar Very similar Completely compatible List of Recommended Substitute Products Switch D4DS product D4DS-15FS D4DS-25FS D4DS-35FS D4DS-55FS D4DS-65FS D4DS-1AFS D4DS-2AFS D4DS-3AFS D4DS-5AFS D4DS-6AFS Recommended substitute product D4NS-1AF D4NS-2AF D4NS-3AF D4NS-5AF D4NS-6AF D4NS-1BF D4NS-2BF D4NS-3BF D4NS-5BF D4NS-6BF Safety-door Switch D4NS

12 Dimensions (Unit: mm) Discontinued Models (1-Conduit D4DS) Replacement Products (1-Conduit D4NS) Head cap depth: ± depth: 5 ± Discontinued Model (2-Conduit D4DS) Replacement Products (2-Conduit D4NS) Head cap ±0.1 40± ±0.1 40± ±0.2 42± max ± dia Cap 14.2 depth: ± ± max ± dia Cap 14.2 depth: 5 ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by To convert grams into ounces, multiply by Cat. No. C8-E1-03 OMRON Corporation Industrial Automation Company In the interest of product improvement, specifications are subject to change without notice. Industrial Devices and Components Division H.Q. Safety Components Department Shiokoji Horikawa, Shimogyo-ku, Kyoto, Japan Tel: (81) /Fax: (81) Printed in Japan M (0803) (B)

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